40347585

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{311}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 74355840

約数和(自身を除く): 34008255

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 311, 465, 837, 933, 961, 1395, 1555, 2799, 2883, 4185, 4665, 4805, 8397, 8649, 9641, 13995, 14415, 25947, 28923, 41985, 43245, 48205, 86769, 129735, 144615, 260307, 298871, 433845, 896613, 1301535, 1494355, 2689839, 4483065, 8069517, 13449195, 40347585]

約数ペア:

[(1, 40347585), (3, 13449195), (5, 8069517), (9, 4483065), (15, 2689839), (27, 1494355), (31, 1301535), (45, 896613), (93, 433845), (135, 298871), (155, 260307), (279, 144615), (311, 129735), (465, 86769), (837, 48205), (933, 43245), (961, 41985), (1395, 28923), (1555, 25947), (2799, 14415), (2883, 13995), (4185, 9641), (4665, 8649), (4805, 8397)]