18250425

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2797}}^1$

素因数の和:2842

約数の個数: 36

約数和(自身を含む): 33827820

約数和(自身を除く): 15577395

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 2797, 6525, 8391, 13985, 25173, 41955, 69925, 81113, 125865, 209775, 243339, 405565, 629325, 730017, 1216695, 2027825, 3650085, 6083475, 18250425]

約数ペア:

[(1, 18250425), (3, 6083475), (5, 3650085), (9, 2027825), (15, 1216695), (25, 730017), (29, 629325), (45, 405565), (75, 243339), (87, 209775), (145, 125865), (225, 81113), (261, 69925), (435, 41955), (725, 25173), (1305, 13985), (2175, 8391), (2797, 6525)]