40253805

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 72648576

約数和(自身を除く): 32394771

約数列:

[1, 3, 5, 9, 15, 43, 45, 71, 129, 213, 215, 293, 355, 387, 639, 645, 879, 1065, 1465, 1935, 2637, 3053, 3195, 4395, 9159, 12599, 13185, 15265, 20803, 27477, 37797, 45795, 62409, 62995, 104015, 113391, 137385, 187227, 188985, 312045, 566955, 894529, 936135, 2683587, 4472645, 8050761, 13417935, 40253805]

約数ペア:

[(1, 40253805), (3, 13417935), (5, 8050761), (9, 4472645), (15, 2683587), (43, 936135), (45, 894529), (71, 566955), (129, 312045), (213, 188985), (215, 187227), (293, 137385), (355, 113391), (387, 104015), (639, 62995), (645, 62409), (879, 45795), (1065, 37797), (1465, 27477), (1935, 20803), (2637, 15265), (3053, 13185), (3195, 12599), (4395, 9159)]