316865925

素因数分解:

$3^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1281

約数の個数: 72

約数和(自身を含む): 602746144

約数和(自身を除く): 285880219

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 129, 135, 215, 225, 243, 387, 405, 645, 675, 1075, 1161, 1213, 1215, 1935, 2025, 3225, 3483, 3639, 5805, 6065, 6075, 9675, 10449, 10917, 17415, 18195, 29025, 30325, 32751, 52159, 52245, 54585, 87075, 90975, 98253, 156477, 163755, 260795, 261225, 272925, 294759, 469431, 491265, 782385, 818775, 1303975, 1408293, 1473795, 2347155, 2456325, 3911925, 4224879, 7041465, 7368975, 11735775, 12674637, 21124395, 35207325, 63373185, 105621975, 316865925]

約数ペア:

[(1, 316865925), (3, 105621975), (5, 63373185), (9, 35207325), (15, 21124395), (25, 12674637), (27, 11735775), (43, 7368975), (45, 7041465), (75, 4224879), (81, 3911925), (129, 2456325), (135, 2347155), (215, 1473795), (225, 1408293), (243, 1303975), (387, 818775), (405, 782385), (645, 491265), (675, 469431), (1075, 294759), (1161, 272925), (1213, 261225), (1215, 260795), (1935, 163755), (2025, 156477), (3225, 98253), (3483, 90975), (3639, 87075), (5805, 54585), (6065, 52245), (6075, 52159), (9675, 32751), (10449, 30325), (10917, 29025), (17415, 18195)]