211581639

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:581

約数の個数: 40

約数和(自身を含む): 325828800

約数和(自身を除く): 114247161

約数列:

[1, 3, 9, 27, 47, 81, 141, 149, 373, 423, 447, 1119, 1269, 1341, 3357, 3807, 4023, 7003, 10071, 12069, 17531, 21009, 30213, 52593, 55577, 63027, 157779, 166731, 189081, 473337, 500193, 567243, 1420011, 1500579, 2612119, 4501737, 7836357, 23509071, 70527213, 211581639]

約数ペア:

[(1, 211581639), (3, 70527213), (9, 23509071), (27, 7836357), (47, 4501737), (81, 2612119), (141, 1500579), (149, 1420011), (373, 567243), (423, 500193), (447, 473337), (1119, 189081), (1269, 166731), (1341, 157779), (3357, 63027), (3807, 55577), (4023, 52593), (7003, 30213), (10071, 21009), (12069, 17531)]