246656745

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21001}}^1$

素因数の和:21047

約数の個数: 40

約数和(自身を含む): 457423560

約数和(自身を除く): 210766815

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2349, 3915, 11745, 21001, 63003, 105005, 189009, 315015, 567027, 609029, 945045, 1701081, 1827087, 2835135, 3045145, 5481261, 8505405, 9135435, 16443783, 27406305, 49331349, 82218915, 246656745]

約数ペア:

[(1, 246656745), (3, 82218915), (5, 49331349), (9, 27406305), (15, 16443783), (27, 9135435), (29, 8505405), (45, 5481261), (81, 3045145), (87, 2835135), (135, 1827087), (145, 1701081), (261, 945045), (405, 609029), (435, 567027), (783, 315015), (1305, 189009), (2349, 105005), (3915, 63003), (11745, 21001)]