1245554775

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{77969}}^1$

素因数の和:78056

約数の個数: 36

約数和(自身を含む): 2262377520

約数和(自身を除く): 1016822745

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 3195, 5325, 15975, 77969, 233907, 389845, 701721, 1169535, 1949225, 3508605, 5535799, 5847675, 16607397, 17543025, 27678995, 49822191, 83036985, 138394975, 249110955, 415184925, 1245554775]

約数ペア:

[(1, 1245554775), (3, 415184925), (5, 249110955), (9, 138394975), (15, 83036985), (25, 49822191), (45, 27678995), (71, 17543025), (75, 16607397), (213, 5847675), (225, 5535799), (355, 3508605), (639, 1949225), (1065, 1169535), (1775, 701721), (3195, 389845), (5325, 233907), (15975, 77969)]