19686296925

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{13291}}^1$

素因数の和:13563

約数の個数: 72

約数和(自身を含む): 36639663840

約数和(自身を除く): 16953366915

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 227, 261, 435, 681, 725, 1135, 1305, 2043, 2175, 3405, 5675, 6525, 6583, 10215, 13291, 17025, 19749, 32915, 39873, 51075, 59247, 66455, 98745, 119619, 164575, 199365, 296235, 332275, 385439, 493725, 598095, 996825, 1156317, 1481175, 1927195, 2990475, 3017057, 3468951, 5781585, 9051171, 9635975, 15085285, 17344755, 27153513, 28907925, 45255855, 75426425, 86723775, 87494653, 135767565, 226279275, 262483959, 437473265, 678837825, 787451877, 1312419795, 2187366325, 3937259385, 6562098975, 19686296925]

約数ペア:

[(1, 19686296925), (3, 6562098975), (5, 3937259385), (9, 2187366325), (15, 1312419795), (25, 787451877), (29, 678837825), (45, 437473265), (75, 262483959), (87, 226279275), (145, 135767565), (225, 87494653), (227, 86723775), (261, 75426425), (435, 45255855), (681, 28907925), (725, 27153513), (1135, 17344755), (1305, 15085285), (2043, 9635975), (2175, 9051171), (3405, 5781585), (5675, 3468951), (6525, 3017057), (6583, 2990475), (10215, 1927195), (13291, 1481175), (17025, 1156317), (19749, 996825), (32915, 598095), (39873, 493725), (51075, 385439), (59247, 332275), (66455, 296235), (98745, 199365), (119619, 164575)]