643037805

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8087}}^1$

素因数の和:8151

約数の個数: 64

約数和(自身を含む): 1242316800

約数和(自身を除く): 599278995

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 93, 95, 135, 155, 171, 279, 285, 465, 513, 589, 837, 855, 1395, 1767, 2565, 2945, 4185, 5301, 8087, 8835, 15903, 24261, 26505, 40435, 72783, 79515, 121305, 153653, 218349, 250697, 363915, 460959, 752091, 768265, 1091745, 1253485, 1382877, 2256273, 2304795, 3760455, 4148631, 4763243, 6768819, 6914385, 11281365, 14289729, 20743155, 23816215, 33844095, 42869187, 71448645, 128607561, 214345935, 643037805]

約数ペア:

[(1, 643037805), (3, 214345935), (5, 128607561), (9, 71448645), (15, 42869187), (19, 33844095), (27, 23816215), (31, 20743155), (45, 14289729), (57, 11281365), (93, 6914385), (95, 6768819), (135, 4763243), (155, 4148631), (171, 3760455), (279, 2304795), (285, 2256273), (465, 1382877), (513, 1253485), (589, 1091745), (837, 768265), (855, 752091), (1395, 460959), (1767, 363915), (2565, 250697), (2945, 218349), (4185, 153653), (5301, 121305), (8087, 79515), (8835, 72783), (15903, 40435), (24261, 26505)]