211399425

素因数分解:

$3^2\times 5^2\times {\mathrm{227}}^1\times {\mathrm{4139}}^1$

素因数の和:4382

約数の個数: 36

約数和(自身を含む): 380399760

約数和(自身を除く): 169000335

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 227, 681, 1135, 2043, 3405, 4139, 5675, 10215, 12417, 17025, 20695, 37251, 51075, 62085, 103475, 186255, 310425, 931275, 939553, 2818659, 4697765, 8455977, 14093295, 23488825, 42279885, 70466475, 211399425]

約数ペア:

[(1, 211399425), (3, 70466475), (5, 42279885), (9, 23488825), (15, 14093295), (25, 8455977), (45, 4697765), (75, 2818659), (225, 939553), (227, 931275), (681, 310425), (1135, 186255), (2043, 103475), (3405, 62085), (4139, 51075), (5675, 37251), (10215, 20695), (12417, 17025)]