205653735

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:315

約数の個数: 120

約数和(自身を含む): 440635536

約数和(自身を除く): 234981801

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 49, 63, 81, 105, 129, 135, 147, 189, 215, 241, 245, 301, 315, 387, 405, 441, 567, 645, 723, 735, 903, 945, 1161, 1205, 1323, 1505, 1687, 1935, 2107, 2169, 2205, 2709, 2835, 3483, 3615, 3969, 4515, 5061, 5805, 6321, 6507, 6615, 8127, 8435, 10363, 10535, 10845, 11809, 13545, 15183, 17415, 18963, 19521, 19845, 24381, 25305, 31089, 31605, 32535, 35427, 40635, 45549, 51815, 56889, 59045, 72541, 75915, 93267, 94815, 97605, 106281, 121905, 136647, 155445, 170667, 177135, 217623, 227745, 279801, 284445, 318843, 362705, 466335, 507787, 531405, 652869, 683235, 839403, 853335, 956529, 1088115, 1399005, 1523361, 1594215, 1958607, 2538935, 3264345, 4197015, 4570083, 4782645, 5875821, 7616805, 9793035, 13710249, 22850415, 29379105, 41130747, 68551245, 205653735]

約数ペア:

[(1, 205653735), (3, 68551245), (5, 41130747), (7, 29379105), (9, 22850415), (15, 13710249), (21, 9793035), (27, 7616805), (35, 5875821), (43, 4782645), (45, 4570083), (49, 4197015), (63, 3264345), (81, 2538935), (105, 1958607), (129, 1594215), (135, 1523361), (147, 1399005), (189, 1088115), (215, 956529), (241, 853335), (245, 839403), (301, 683235), (315, 652869), (387, 531405), (405, 507787), (441, 466335), (567, 362705), (645, 318843), (723, 284445), (735, 279801), (903, 227745), (945, 217623), (1161, 177135), (1205, 170667), (1323, 155445), (1505, 136647), (1687, 121905), (1935, 106281), (2107, 97605), (2169, 94815), (2205, 93267), (2709, 75915), (2835, 72541), (3483, 59045), (3615, 56889), (3969, 51815), (4515, 45549), (5061, 40635), (5805, 35427), (6321, 32535), (6507, 31605), (6615, 31089), (8127, 25305), (8435, 24381), (10363, 19845), (10535, 19521), (10845, 18963), (11809, 17415), (13545, 15183)]