858871155

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 1485619200

約数和(自身を除く): 626748045

約数列:

[1, 3, 5, 15, 19, 57, 61, 95, 127, 183, 285, 305, 381, 389, 635, 915, 1159, 1167, 1905, 1945, 2413, 3477, 5795, 5835, 7239, 7391, 7747, 12065, 17385, 22173, 23241, 23729, 36195, 36955, 38735, 49403, 71187, 110865, 116205, 118645, 147193, 148209, 247015, 355935, 441579, 450851, 735965, 741045, 938657, 1352553, 2207895, 2254255, 2815971, 3013583, 4693285, 6762765, 9040749, 14079855, 15067915, 45203745, 57258077, 171774231, 286290385, 858871155]

約数ペア:

[(1, 858871155), (3, 286290385), (5, 171774231), (15, 57258077), (19, 45203745), (57, 15067915), (61, 14079855), (95, 9040749), (127, 6762765), (183, 4693285), (285, 3013583), (305, 2815971), (381, 2254255), (389, 2207895), (635, 1352553), (915, 938657), (1159, 741045), (1167, 735965), (1905, 450851), (1945, 441579), (2413, 355935), (3477, 247015), (5795, 148209), (5835, 147193), (7239, 118645), (7391, 116205), (7747, 110865), (12065, 71187), (17385, 49403), (22173, 38735), (23241, 36955), (23729, 36195)]