18090465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1163}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 31176576

約数和(自身を除く): 13086111

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1037, 1163, 3111, 3489, 5185, 5815, 15555, 17445, 19771, 59313, 70943, 98855, 212829, 296565, 354715, 1064145, 1206031, 3618093, 6030155, 18090465]

約数ペア:

[(1, 18090465), (3, 6030155), (5, 3618093), (15, 1206031), (17, 1064145), (51, 354715), (61, 296565), (85, 212829), (183, 98855), (255, 70943), (305, 59313), (915, 19771), (1037, 17445), (1163, 15555), (3111, 5815), (3489, 5185)]