210955995

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8539}}^1$

素因数の和:8617

約数の個数: 40

約数和(自身を含む): 384402480

約数和(自身を除く): 173446485

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1647, 2745, 4941, 8235, 8539, 24705, 25617, 42695, 76851, 128085, 230553, 384255, 520879, 691659, 1152765, 1562637, 2604395, 3458295, 4687911, 7813185, 14063733, 23439555, 42191199, 70318665, 210955995]

約数ペア:

[(1, 210955995), (3, 70318665), (5, 42191199), (9, 23439555), (15, 14063733), (27, 7813185), (45, 4687911), (61, 3458295), (81, 2604395), (135, 1562637), (183, 1152765), (305, 691659), (405, 520879), (549, 384255), (915, 230553), (1647, 128085), (2745, 76851), (4941, 42695), (8235, 25617), (8539, 24705)]