201531375

素因数分解:

$3^3\times 5^3\times {\mathrm{211}}^1\times {\mathrm{283}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 375697920

約数和(自身を除く): 174166545

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 211, 225, 283, 375, 633, 675, 849, 1055, 1125, 1415, 1899, 2547, 3165, 3375, 4245, 5275, 5697, 7075, 7641, 9495, 12735, 15825, 21225, 26375, 28485, 35375, 38205, 47475, 59713, 63675, 79125, 106125, 142425, 179139, 191025, 237375, 298565, 318375, 537417, 712125, 895695, 955125, 1492825, 1612251, 2687085, 4478475, 7464125, 8061255, 13435425, 22392375, 40306275, 67177125, 201531375]

約数ペア:

[(1, 201531375), (3, 67177125), (5, 40306275), (9, 22392375), (15, 13435425), (25, 8061255), (27, 7464125), (45, 4478475), (75, 2687085), (125, 1612251), (135, 1492825), (211, 955125), (225, 895695), (283, 712125), (375, 537417), (633, 318375), (675, 298565), (849, 237375), (1055, 191025), (1125, 179139), (1415, 142425), (1899, 106125), (2547, 79125), (3165, 63675), (3375, 59713), (4245, 47475), (5275, 38205), (5697, 35375), (7075, 28485), (7641, 26375), (9495, 21225), (12735, 15825)]