201993915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 357212160

約数和(自身を除く): 155218245

約数列:

[1, 3, 5, 15, 17, 37, 51, 79, 85, 111, 185, 237, 255, 271, 395, 555, 629, 813, 1185, 1343, 1355, 1887, 2923, 3145, 4029, 4065, 4607, 6715, 8769, 9435, 10027, 13821, 14615, 20145, 21409, 23035, 30081, 43845, 49691, 50135, 64227, 69105, 107045, 149073, 150405, 170459, 248455, 321135, 363953, 511377, 745365, 792133, 852295, 1091859, 1819765, 2376399, 2556885, 3960665, 5459295, 11881995, 13466261, 40398783, 67331305, 201993915]

約数ペア:

[(1, 201993915), (3, 67331305), (5, 40398783), (15, 13466261), (17, 11881995), (37, 5459295), (51, 3960665), (79, 2556885), (85, 2376399), (111, 1819765), (185, 1091859), (237, 852295), (255, 792133), (271, 745365), (395, 511377), (555, 363953), (629, 321135), (813, 248455), (1185, 170459), (1343, 150405), (1355, 149073), (1887, 107045), (2923, 69105), (3145, 64227), (4029, 50135), (4065, 49691), (4607, 43845), (6715, 30081), (8769, 23035), (9435, 21409), (10027, 20145), (13821, 14615)]