918156915

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 1785079296

約数和(自身を除く): 866922381

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 195, 197, 257, 279, 403, 465, 585, 591, 771, 985, 1209, 1285, 1395, 1773, 2015, 2313, 2561, 2955, 3341, 3627, 3855, 6045, 6107, 7683, 7967, 8865, 10023, 11565, 12805, 16705, 18135, 18321, 23049, 23901, 30069, 30535, 38415, 39835, 50115, 50629, 54963, 71703, 79391, 91605, 103571, 115245, 119505, 150345, 151887, 238173, 253145, 274815, 310713, 358515, 396955, 455661, 517855, 658177, 714519, 759435, 932139, 1190865, 1553565, 1569499, 1974531, 2278305, 3290885, 3572595, 4660695, 4708497, 5923593, 7847495, 9872655, 14125491, 20403487, 23542485, 29617965, 61210461, 70627455, 102017435, 183631383, 306052305, 918156915]

約数ペア:

[(1, 918156915), (3, 306052305), (5, 183631383), (9, 102017435), (13, 70627455), (15, 61210461), (31, 29617965), (39, 23542485), (45, 20403487), (65, 14125491), (93, 9872655), (117, 7847495), (155, 5923593), (195, 4708497), (197, 4660695), (257, 3572595), (279, 3290885), (403, 2278305), (465, 1974531), (585, 1569499), (591, 1553565), (771, 1190865), (985, 932139), (1209, 759435), (1285, 714519), (1395, 658177), (1773, 517855), (2015, 455661), (2313, 396955), (2561, 358515), (2955, 310713), (3341, 274815), (3627, 253145), (3855, 238173), (6045, 151887), (6107, 150345), (7683, 119505), (7967, 115245), (8865, 103571), (10023, 91605), (11565, 79391), (12805, 71703), (16705, 54963), (18135, 50629), (18321, 50115), (23049, 39835), (23901, 38415), (30069, 30535)]