16202925

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 31569408

約数和(自身を除く): 15366483

約数列:

[1, 3, 5, 9, 15, 23, 25, 31, 45, 69, 75, 93, 101, 115, 155, 207, 225, 279, 303, 345, 465, 505, 575, 713, 775, 909, 1035, 1395, 1515, 1725, 2139, 2323, 2325, 2525, 3131, 3565, 4545, 5175, 6417, 6969, 6975, 7575, 9393, 10695, 11615, 15655, 17825, 20907, 22725, 28179, 32085, 34845, 46965, 53475, 58075, 72013, 78275, 104535, 140895, 160425, 174225, 216039, 234825, 360065, 522675, 648117, 704475, 1080195, 1800325, 3240585, 5400975, 16202925]

約数ペア:

[(1, 16202925), (3, 5400975), (5, 3240585), (9, 1800325), (15, 1080195), (23, 704475), (25, 648117), (31, 522675), (45, 360065), (69, 234825), (75, 216039), (93, 174225), (101, 160425), (115, 140895), (155, 104535), (207, 78275), (225, 72013), (279, 58075), (303, 53475), (345, 46965), (465, 34845), (505, 32085), (575, 28179), (713, 22725), (775, 20907), (909, 17825), (1035, 15655), (1395, 11615), (1515, 10695), (1725, 9393), (2139, 7575), (2323, 6975), (2325, 6969), (2525, 6417), (3131, 5175), (3565, 4545)]