18752625

素因数分解:

$3^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 34394880

約数和(自身を除く): 15642255

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 125, 211, 225, 237, 375, 395, 633, 711, 1055, 1125, 1185, 1899, 1975, 3165, 3555, 5275, 5925, 9495, 9875, 15825, 16669, 17775, 26375, 29625, 47475, 50007, 79125, 83345, 88875, 150021, 237375, 250035, 416725, 750105, 1250175, 2083625, 3750525, 6250875, 18752625]

約数ペア:

[(1, 18752625), (3, 6250875), (5, 3750525), (9, 2083625), (15, 1250175), (25, 750105), (45, 416725), (75, 250035), (79, 237375), (125, 150021), (211, 88875), (225, 83345), (237, 79125), (375, 50007), (395, 47475), (633, 29625), (711, 26375), (1055, 17775), (1125, 16669), (1185, 15825), (1899, 9875), (1975, 9495), (3165, 5925), (3555, 5275)]