20151837225

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{168037}}^1$

素因数の和:168107

約数の個数: 72

約数和(自身を含む): 39818956632

約数和(自身を除く): 19667119407

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 41, 45, 65, 75, 117, 123, 195, 205, 225, 325, 369, 533, 585, 615, 975, 1025, 1599, 1845, 2665, 2925, 3075, 4797, 7995, 9225, 13325, 23985, 39975, 119925, 168037, 504111, 840185, 1512333, 2184481, 2520555, 4200925, 6553443, 6889517, 7561665, 10922405, 12602775, 19660329, 20668551, 32767215, 34447585, 37808325, 54612025, 62005653, 89563721, 98301645, 103342755, 163836075, 172237925, 268691163, 310028265, 447818605, 491508225, 516713775, 806073489, 1343455815, 1550141325, 2239093025, 4030367445, 6717279075, 20151837225]

約数ペア:

[(1, 20151837225), (3, 6717279075), (5, 4030367445), (9, 2239093025), (13, 1550141325), (15, 1343455815), (25, 806073489), (39, 516713775), (41, 491508225), (45, 447818605), (65, 310028265), (75, 268691163), (117, 172237925), (123, 163836075), (195, 103342755), (205, 98301645), (225, 89563721), (325, 62005653), (369, 54612025), (533, 37808325), (585, 34447585), (615, 32767215), (975, 20668551), (1025, 19660329), (1599, 12602775), (1845, 10922405), (2665, 7561665), (2925, 6889517), (3075, 6553443), (4797, 4200925), (7995, 2520555), (9225, 2184481), (13325, 1512333), (23985, 840185), (39975, 504111), (119925, 168037)]