40890375

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1953

約数の個数: 48

約数和(自身を含む): 77631840

約数和(自身を除く): 36741465

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 285, 375, 475, 855, 1125, 1425, 1913, 2375, 4275, 5739, 7125, 9565, 17217, 21375, 28695, 36347, 47825, 86085, 109041, 143475, 181735, 239125, 327123, 430425, 545205, 717375, 908675, 1635615, 2152125, 2726025, 4543375, 8178075, 13630125, 40890375]

約数ペア:

[(1, 40890375), (3, 13630125), (5, 8178075), (9, 4543375), (15, 2726025), (19, 2152125), (25, 1635615), (45, 908675), (57, 717375), (75, 545205), (95, 430425), (125, 327123), (171, 239125), (225, 181735), (285, 143475), (375, 109041), (475, 86085), (855, 47825), (1125, 36347), (1425, 28695), (1913, 21375), (2375, 17217), (4275, 9565), (5739, 7125)]