15663708921

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{107}}^2\times {\mathrm{227}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 25232721696

約数和(自身を除く): 9569012775

約数列:

[1, 3, 7, 21, 41, 49, 107, 123, 147, 227, 287, 321, 681, 749, 861, 1589, 2009, 2247, 4387, 4767, 5243, 6027, 9307, 11123, 11449, 13161, 15729, 24289, 27921, 30709, 33369, 34347, 65149, 72867, 80143, 92127, 170023, 195447, 214963, 240429, 456043, 469409, 510069, 561001, 644889, 995849, 1190161, 1368129, 1408227, 1683003, 2598923, 2987547, 3285863, 3570483, 6970943, 7796769, 9857589, 18192461, 20912829, 23001041, 48796601, 54577383, 69003123, 106555843, 127347227, 146389803, 319667529, 382041681, 745890901, 2237672703, 5221236307, 15663708921]

約数ペア:

[(1, 15663708921), (3, 5221236307), (7, 2237672703), (21, 745890901), (41, 382041681), (49, 319667529), (107, 146389803), (123, 127347227), (147, 106555843), (227, 69003123), (287, 54577383), (321, 48796601), (681, 23001041), (749, 20912829), (861, 18192461), (1589, 9857589), (2009, 7796769), (2247, 6970943), (4387, 3570483), (4767, 3285863), (5243, 2987547), (6027, 2598923), (9307, 1683003), (11123, 1408227), (11449, 1368129), (13161, 1190161), (15729, 995849), (24289, 644889), (27921, 561001), (30709, 510069), (33369, 469409), (34347, 456043), (65149, 240429), (72867, 214963), (80143, 195447), (92127, 170023)]