31428675

素因数分解:

$3^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 58433760

約数和(自身を除く): 27005085

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 101, 135, 225, 303, 461, 505, 675, 909, 1383, 1515, 2305, 2525, 2727, 4149, 4545, 6915, 7575, 11525, 12447, 13635, 20745, 22725, 34575, 46561, 62235, 68175, 103725, 139683, 232805, 311175, 419049, 698415, 1164025, 1257147, 2095245, 3492075, 6285735, 10476225, 31428675]

約数ペア:

[(1, 31428675), (3, 10476225), (5, 6285735), (9, 3492075), (15, 2095245), (25, 1257147), (27, 1164025), (45, 698415), (75, 419049), (101, 311175), (135, 232805), (225, 139683), (303, 103725), (461, 68175), (505, 62235), (675, 46561), (909, 34575), (1383, 22725), (1515, 20745), (2305, 13635), (2525, 12447), (2727, 11525), (4149, 7575), (4545, 6915)]