202809195

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 360547200

約数和(自身を除く): 157738005

約数列:

[1, 3, 5, 9, 15, 45, 79, 89, 237, 267, 395, 445, 641, 711, 801, 1185, 1335, 1923, 3205, 3555, 4005, 5769, 7031, 9615, 21093, 28845, 35155, 50639, 57049, 63279, 105465, 151917, 171147, 253195, 285245, 316395, 455751, 513441, 759585, 855735, 2278755, 2567205, 4506871, 13520613, 22534355, 40561839, 67603065, 202809195]

約数ペア:

[(1, 202809195), (3, 67603065), (5, 40561839), (9, 22534355), (15, 13520613), (45, 4506871), (79, 2567205), (89, 2278755), (237, 855735), (267, 759585), (395, 513441), (445, 455751), (641, 316395), (711, 285245), (801, 253195), (1185, 171147), (1335, 151917), (1923, 105465), (3205, 63279), (3555, 57049), (4005, 50639), (5769, 35155), (7031, 28845), (9615, 21093)]