201938895

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 357001632

約数和(自身を除く): 155062737

約数列:

[1, 3, 5, 9, 15, 45, 101, 157, 283, 303, 471, 505, 785, 849, 909, 1413, 1415, 1515, 2355, 2547, 4245, 4545, 7065, 12735, 15857, 28583, 44431, 47571, 79285, 85749, 133293, 142713, 142915, 222155, 237855, 257247, 399879, 428745, 666465, 713565, 1286235, 1999395, 4487531, 13462593, 22437655, 40387779, 67312965, 201938895]

約数ペア:

[(1, 201938895), (3, 67312965), (5, 40387779), (9, 22437655), (15, 13462593), (45, 4487531), (101, 1999395), (157, 1286235), (283, 713565), (303, 666465), (471, 428745), (505, 399879), (785, 257247), (849, 237855), (909, 222155), (1413, 142915), (1415, 142713), (1515, 133293), (2355, 85749), (2547, 79285), (4245, 47571), (4545, 44431), (7065, 28583), (12735, 15857)]