210717885

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 420249600

約数和(自身を除く): 209531715

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 79, 95, 105, 133, 147, 191, 237, 245, 285, 395, 399, 553, 573, 665, 735, 931, 955, 1185, 1337, 1501, 1659, 1995, 2765, 2793, 2865, 3629, 3871, 4011, 4503, 4655, 6685, 7505, 8295, 9359, 10507, 10887, 11613, 13965, 15089, 18145, 19355, 20055, 22515, 25403, 28077, 31521, 45267, 46795, 52535, 54435, 58065, 73549, 75445, 76209, 105623, 127015, 140385, 157605, 177821, 220647, 226335, 286691, 316869, 367745, 381045, 528115, 533463, 739361, 860073, 889105, 1103235, 1433455, 1584345, 2006837, 2218083, 2667315, 3696805, 4300365, 6020511, 10034185, 11090415, 14047859, 30102555, 42143577, 70239295, 210717885]

約数ペア:

[(1, 210717885), (3, 70239295), (5, 42143577), (7, 30102555), (15, 14047859), (19, 11090415), (21, 10034185), (35, 6020511), (49, 4300365), (57, 3696805), (79, 2667315), (95, 2218083), (105, 2006837), (133, 1584345), (147, 1433455), (191, 1103235), (237, 889105), (245, 860073), (285, 739361), (395, 533463), (399, 528115), (553, 381045), (573, 367745), (665, 316869), (735, 286691), (931, 226335), (955, 220647), (1185, 177821), (1337, 157605), (1501, 140385), (1659, 127015), (1995, 105623), (2765, 76209), (2793, 75445), (2865, 73549), (3629, 58065), (3871, 54435), (4011, 52535), (4503, 46795), (4655, 45267), (6685, 31521), (7505, 28077), (8295, 25403), (9359, 22515), (10507, 20055), (10887, 19355), (11613, 18145), (13965, 15089)]