80735025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2521}}^1$

素因数の和:2602

約数の個数: 48

約数和(自身を含む): 155113088

約数和(自身を除く): 74378063

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 75, 105, 175, 183, 305, 427, 525, 915, 1281, 1525, 2135, 2521, 4575, 6405, 7563, 10675, 12605, 17647, 32025, 37815, 52941, 63025, 88235, 153781, 189075, 264705, 441175, 461343, 768905, 1076467, 1323525, 2306715, 3229401, 3844525, 5382335, 11533575, 16147005, 26911675, 80735025]

約数ペア:

[(1, 80735025), (3, 26911675), (5, 16147005), (7, 11533575), (15, 5382335), (21, 3844525), (25, 3229401), (35, 2306715), (61, 1323525), (75, 1076467), (105, 768905), (175, 461343), (183, 441175), (305, 264705), (427, 189075), (525, 153781), (915, 88235), (1281, 63025), (1525, 52941), (2135, 37815), (2521, 32025), (4575, 17647), (6405, 12605), (7563, 10675)]