1261529215479

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{2749}}^1\times {\mathrm{16141}}^1$

素因数の和:18924

約数の個数: 64

約数和(自身を含む): 2038411760000

約数和(自身を除く): 776882544521

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2187, 2749, 3159, 8247, 9477, 16141, 24741, 28431, 35737, 48423, 74223, 107211, 145269, 209833, 222669, 321633, 435807, 629499, 668007, 964899, 1307421, 1888497, 2004021, 2894697, 3922263, 5665491, 6012063, 8684091, 11766789, 16996473, 26052273, 35300367, 44371609, 50989419, 78156819, 133114827, 152968257, 399344481, 458904771, 576830917, 1198033443, 1730492751, 3594100329, 5191478253, 10782300987, 15574434759, 32346902961, 46723304277, 97040708883, 140169912831, 420509738493, 1261529215479]

約数ペア:

[(1, 1261529215479), (3, 420509738493), (9, 140169912831), (13, 97040708883), (27, 46723304277), (39, 32346902961), (81, 15574434759), (117, 10782300987), (243, 5191478253), (351, 3594100329), (729, 1730492751), (1053, 1198033443), (2187, 576830917), (2749, 458904771), (3159, 399344481), (8247, 152968257), (9477, 133114827), (16141, 78156819), (24741, 50989419), (28431, 44371609), (35737, 35300367), (48423, 26052273), (74223, 16996473), (107211, 11766789), (145269, 8684091), (209833, 6012063), (222669, 5665491), (321633, 3922263), (435807, 2894697), (629499, 2004021), (668007, 1888497), (964899, 1307421)]