217131390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{344653}}^1$

素因数の和:344673

約数の個数: 48

約数和(自身を含む): 645192288

約数和(自身を除く): 428060898

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 344653, 689306, 1033959, 1723265, 2067918, 2412571, 3101877, 3446530, 4825142, 5169795, 6203754, 7237713, 10339590, 12062855, 14475426, 15509385, 21713139, 24125710, 31018770, 36188565, 43426278, 72377130, 108565695, 217131390]

約数ペア:

[(1, 217131390), (2, 108565695), (3, 72377130), (5, 43426278), (6, 36188565), (7, 31018770), (9, 24125710), (10, 21713139), (14, 15509385), (15, 14475426), (18, 12062855), (21, 10339590), (30, 7237713), (35, 6203754), (42, 5169795), (45, 4825142), (63, 3446530), (70, 3101877), (90, 2412571), (105, 2067918), (126, 1723265), (210, 1033959), (315, 689306), (630, 344653)]