81441612

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:413

約数の個数: 120

約数和(自身を含む): 245968800

約数和(自身を除く): 164527188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 149, 162, 189, 241, 252, 298, 324, 378, 447, 482, 567, 596, 723, 756, 894, 964, 1043, 1134, 1341, 1446, 1687, 1788, 2086, 2169, 2268, 2682, 2892, 3129, 3374, 4023, 4172, 4338, 5061, 5364, 6258, 6507, 6748, 8046, 8676, 9387, 10122, 12069, 12516, 13014, 15183, 16092, 18774, 19521, 20244, 24138, 26028, 28161, 30366, 35909, 37548, 39042, 45549, 48276, 56322, 60732, 71818, 78084, 84483, 91098, 107727, 112644, 136647, 143636, 168966, 182196, 215454, 251363, 273294, 323181, 337932, 430908, 502726, 546588, 646362, 754089, 969543, 1005452, 1292724, 1508178, 1939086, 2262267, 2908629, 3016356, 3878172, 4524534, 5817258, 6786801, 9049068, 11634516, 13573602, 20360403, 27147204, 40720806, 81441612]

約数ペア:

[(1, 81441612), (2, 40720806), (3, 27147204), (4, 20360403), (6, 13573602), (7, 11634516), (9, 9049068), (12, 6786801), (14, 5817258), (18, 4524534), (21, 3878172), (27, 3016356), (28, 2908629), (36, 2262267), (42, 1939086), (54, 1508178), (63, 1292724), (81, 1005452), (84, 969543), (108, 754089), (126, 646362), (149, 546588), (162, 502726), (189, 430908), (241, 337932), (252, 323181), (298, 273294), (324, 251363), (378, 215454), (447, 182196), (482, 168966), (567, 143636), (596, 136647), (723, 112644), (756, 107727), (894, 91098), (964, 84483), (1043, 78084), (1134, 71818), (1341, 60732), (1446, 56322), (1687, 48276), (1788, 45549), (2086, 39042), (2169, 37548), (2268, 35909), (2682, 30366), (2892, 28161), (3129, 26028), (3374, 24138), (4023, 20244), (4172, 19521), (4338, 18774), (5061, 16092), (5364, 15183), (6258, 13014), (6507, 12516), (6748, 12069), (8046, 10122), (8676, 9387)]