201912525

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 386493120

約数和(自身を除く): 184580595

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 73, 75, 95, 171, 219, 225, 285, 365, 475, 647, 657, 855, 1095, 1387, 1425, 1825, 1941, 3235, 3285, 4161, 4275, 5475, 5823, 6935, 9705, 12293, 12483, 16175, 16425, 20805, 29115, 34675, 36879, 47231, 48525, 61465, 62415, 104025, 110637, 141693, 145575, 184395, 236155, 307325, 312075, 425079, 553185, 708465, 897389, 921975, 1180775, 2125395, 2692167, 2765925, 3542325, 4486945, 8076501, 10626975, 13460835, 22434725, 40382505, 67304175, 201912525]

約数ペア:

[(1, 201912525), (3, 67304175), (5, 40382505), (9, 22434725), (15, 13460835), (19, 10626975), (25, 8076501), (45, 4486945), (57, 3542325), (73, 2765925), (75, 2692167), (95, 2125395), (171, 1180775), (219, 921975), (225, 897389), (285, 708465), (365, 553185), (475, 425079), (647, 312075), (657, 307325), (855, 236155), (1095, 184395), (1387, 145575), (1425, 141693), (1825, 110637), (1941, 104025), (3235, 62415), (3285, 61465), (4161, 48525), (4275, 47231), (5475, 36879), (5823, 34675), (6935, 29115), (9705, 20805), (12293, 16425), (12483, 16175)]