205125915

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1\times {\mathrm{877}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 339849216

約数和(自身を除く): 134723301

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 503, 877, 1509, 2515, 2631, 4385, 7545, 13155, 15593, 27187, 46779, 77965, 81561, 135935, 233895, 407805, 441131, 1323393, 2205655, 6616965, 13675061, 41025183, 68375305, 205125915]

約数ペア:

[(1, 205125915), (3, 68375305), (5, 41025183), (15, 13675061), (31, 6616965), (93, 2205655), (155, 1323393), (465, 441131), (503, 407805), (877, 233895), (1509, 135935), (2515, 81561), (2631, 77965), (4385, 46779), (7545, 27187), (13155, 15593)]