201939615

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{51581}}^1$

素因数の和:51624

約数の個数: 32

約数和(自身を含む): 371390400

約数和(自身を除く): 169450785

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 51581, 154743, 257905, 464229, 773715, 1392687, 1495849, 2321145, 4487547, 6963435, 7479245, 13462641, 22437735, 40387923, 67313205, 201939615]

約数ペア:

[(1, 201939615), (3, 67313205), (5, 40387923), (9, 22437735), (15, 13462641), (27, 7479245), (29, 6963435), (45, 4487547), (87, 2321145), (135, 1495849), (145, 1392687), (261, 773715), (435, 464229), (783, 257905), (1305, 154743), (3915, 51581)]