15696857421

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{857}}^1\times {\mathrm{1013}}^1$

素因数の和:1931

約数の個数: 72

約数和(自身を含む): 27076513464

約数和(自身を除く): 11379656043

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 857, 861, 1013, 2009, 2571, 2583, 3039, 5999, 6027, 7091, 7713, 9117, 17997, 18081, 21273, 35137, 41533, 41993, 49637, 53991, 63819, 105411, 124599, 125979, 148911, 245959, 290731, 316233, 373797, 377937, 446733, 737877, 868141, 872193, 1721713, 2035117, 2213631, 2604423, 2616579, 5165139, 6076987, 6105351, 7813269, 15495417, 18230961, 18316053, 35593781, 42538909, 54692883, 106781343, 127616727, 249156467, 320344029, 382850181, 747469401, 1744095269, 2242408203, 5232285807, 15696857421]

約数ペア:

[(1, 15696857421), (3, 5232285807), (7, 2242408203), (9, 1744095269), (21, 747469401), (41, 382850181), (49, 320344029), (63, 249156467), (123, 127616727), (147, 106781343), (287, 54692883), (369, 42538909), (441, 35593781), (857, 18316053), (861, 18230961), (1013, 15495417), (2009, 7813269), (2571, 6105351), (2583, 6076987), (3039, 5165139), (5999, 2616579), (6027, 2604423), (7091, 2213631), (7713, 2035117), (9117, 1721713), (17997, 872193), (18081, 868141), (21273, 737877), (35137, 446733), (41533, 377937), (41993, 373797), (49637, 316233), (53991, 290731), (63819, 245959), (105411, 148911), (124599, 125979)]