61630821

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 110018560

約数和(自身を除く): 48387739

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 67, 93, 157, 189, 201, 217, 279, 469, 471, 603, 651, 837, 1099, 1407, 1413, 1809, 1953, 2077, 3297, 4221, 4239, 4867, 5859, 6231, 9891, 10519, 12663, 14539, 14601, 18693, 29673, 31557, 34069, 43617, 43803, 56079, 73633, 94671, 102207, 130851, 131409, 220899, 284013, 306621, 326089, 392553, 662697, 919863, 978267, 1988091, 2282623, 2934801, 6847869, 8804403, 20543607, 61630821]

約数ペア:

[(1, 61630821), (3, 20543607), (7, 8804403), (9, 6847869), (21, 2934801), (27, 2282623), (31, 1988091), (63, 978267), (67, 919863), (93, 662697), (157, 392553), (189, 326089), (201, 306621), (217, 284013), (279, 220899), (469, 131409), (471, 130851), (603, 102207), (651, 94671), (837, 73633), (1099, 56079), (1407, 43803), (1413, 43617), (1809, 34069), (1953, 31557), (2077, 29673), (3297, 18693), (4221, 14601), (4239, 14539), (4867, 12663), (5859, 10519), (6231, 9891)]