858320505

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{4013}}^1$

素因数の和:4135

約数の個数: 72

約数和(自身を含む): 1748931912

約数和(自身を除く): 890611407

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 97, 105, 147, 245, 291, 315, 441, 485, 679, 735, 873, 1455, 2037, 2205, 3395, 4013, 4365, 4753, 6111, 10185, 12039, 14259, 20065, 23765, 28091, 30555, 36117, 42777, 60195, 71295, 84273, 140455, 180585, 196637, 213885, 252819, 389261, 421365, 589911, 983185, 1167783, 1264095, 1769733, 1946305, 2724827, 2949555, 3503349, 5838915, 8174481, 8848665, 13624135, 17516745, 19073789, 24523443, 40872405, 57221367, 95368945, 122617215, 171664101, 286106835, 858320505]

約数ペア:

[(1, 858320505), (3, 286106835), (5, 171664101), (7, 122617215), (9, 95368945), (15, 57221367), (21, 40872405), (35, 24523443), (45, 19073789), (49, 17516745), (63, 13624135), (97, 8848665), (105, 8174481), (147, 5838915), (245, 3503349), (291, 2949555), (315, 2724827), (441, 1946305), (485, 1769733), (679, 1264095), (735, 1167783), (873, 983185), (1455, 589911), (2037, 421365), (2205, 389261), (3395, 252819), (4013, 213885), (4365, 196637), (4753, 180585), (6111, 140455), (10185, 84273), (12039, 71295), (14259, 60195), (20065, 42777), (23765, 36117), (28091, 30555)]