31961385

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1489}}^1$

素因数の和:1559

約数の個数: 40

約数和(自身を含む): 58413960

約数和(自身を除く): 26452575

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 1489, 2385, 4293, 4467, 7155, 7445, 13401, 21465, 22335, 40203, 67005, 78917, 120609, 201015, 236751, 394585, 603045, 710253, 1183755, 2130759, 3551265, 6392277, 10653795, 31961385]

約数ペア:

[(1, 31961385), (3, 10653795), (5, 6392277), (9, 3551265), (15, 2130759), (27, 1183755), (45, 710253), (53, 603045), (81, 394585), (135, 236751), (159, 201015), (265, 120609), (405, 78917), (477, 67005), (795, 40203), (1431, 22335), (1489, 21465), (2385, 13401), (4293, 7445), (4467, 7155)]