205129725

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 348311040

約数和(自身を除く): 143181315

約数列:

[1, 3, 5, 15, 25, 59, 75, 151, 177, 295, 307, 453, 755, 885, 921, 1475, 1535, 2265, 3775, 4425, 4605, 7675, 8909, 11325, 18113, 23025, 26727, 44545, 46357, 54339, 90565, 133635, 139071, 222725, 231785, 271695, 452825, 668175, 695355, 1158925, 1358475, 2735063, 3476775, 8205189, 13675315, 41025945, 68376575, 205129725]

約数ペア:

[(1, 205129725), (3, 68376575), (5, 41025945), (15, 13675315), (25, 8205189), (59, 3476775), (75, 2735063), (151, 1358475), (177, 1158925), (295, 695355), (307, 668175), (453, 452825), (755, 271695), (885, 231785), (921, 222725), (1475, 139071), (1535, 133635), (2265, 90565), (3775, 54339), (4425, 46357), (4605, 44545), (7675, 26727), (8909, 23025), (11325, 18113)]