7999215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 15759360

約数和(自身を除く): 7760145

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 37, 71, 87, 105, 111, 145, 185, 203, 213, 259, 355, 435, 497, 555, 609, 777, 1015, 1065, 1073, 1295, 1491, 2059, 2485, 2627, 3045, 3219, 3885, 5365, 6177, 7455, 7511, 7881, 10295, 13135, 14413, 16095, 18389, 22533, 30885, 37555, 39405, 43239, 55167, 72065, 76183, 91945, 112665, 216195, 228549, 275835, 380915, 533281, 1142745, 1599843, 2666405, 7999215]

約数ペア:

[(1, 7999215), (3, 2666405), (5, 1599843), (7, 1142745), (15, 533281), (21, 380915), (29, 275835), (35, 228549), (37, 216195), (71, 112665), (87, 91945), (105, 76183), (111, 72065), (145, 55167), (185, 43239), (203, 39405), (213, 37555), (259, 30885), (355, 22533), (435, 18389), (497, 16095), (555, 14413), (609, 13135), (777, 10295), (1015, 7881), (1065, 7511), (1073, 7455), (1295, 6177), (1491, 5365), (2059, 3885), (2485, 3219), (2627, 3045)]