17904825

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 35283456

約数和(自身を除く): 17378631

約数列:

[1, 3, 5, 9, 15, 17, 25, 31, 45, 51, 75, 85, 93, 151, 153, 155, 225, 255, 279, 425, 453, 465, 527, 755, 765, 775, 1275, 1359, 1395, 1581, 2265, 2325, 2567, 2635, 3775, 3825, 4681, 4743, 6795, 6975, 7701, 7905, 11325, 12835, 13175, 14043, 23103, 23405, 23715, 33975, 38505, 39525, 42129, 64175, 70215, 79577, 115515, 117025, 118575, 192525, 210645, 238731, 351075, 397885, 577575, 716193, 1053225, 1193655, 1989425, 3580965, 5968275, 17904825]

約数ペア:

[(1, 17904825), (3, 5968275), (5, 3580965), (9, 1989425), (15, 1193655), (17, 1053225), (25, 716193), (31, 577575), (45, 397885), (51, 351075), (75, 238731), (85, 210645), (93, 192525), (151, 118575), (153, 117025), (155, 115515), (225, 79577), (255, 70215), (279, 64175), (425, 42129), (453, 39525), (465, 38505), (527, 33975), (755, 23715), (765, 23405), (775, 23103), (1275, 14043), (1359, 13175), (1395, 12835), (1581, 11325), (2265, 7905), (2325, 7701), (2567, 6975), (2635, 6795), (3775, 4743), (3825, 4681)]