31710195

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 63376560

約数和(自身を除く): 31666365

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 47, 55, 87, 99, 141, 145, 165, 235, 261, 319, 423, 435, 495, 517, 705, 957, 1305, 1363, 1551, 1595, 2115, 2209, 2585, 2871, 4089, 4653, 4785, 6627, 6815, 7755, 11045, 12267, 14355, 14993, 19881, 20445, 23265, 24299, 33135, 44979, 61335, 64061, 72897, 74965, 99405, 121495, 134937, 192183, 218691, 224895, 320305, 364485, 576549, 674685, 704671, 960915, 1093455, 2114013, 2882745, 3523355, 6342039, 10570065, 31710195]

約数ペア:

[(1, 31710195), (3, 10570065), (5, 6342039), (9, 3523355), (11, 2882745), (15, 2114013), (29, 1093455), (33, 960915), (45, 704671), (47, 674685), (55, 576549), (87, 364485), (99, 320305), (141, 224895), (145, 218691), (165, 192183), (235, 134937), (261, 121495), (319, 99405), (423, 74965), (435, 72897), (495, 64061), (517, 61335), (705, 44979), (957, 33135), (1305, 24299), (1363, 23265), (1551, 20445), (1595, 19881), (2115, 14993), (2209, 14355), (2585, 12267), (2871, 11045), (4089, 7755), (4653, 6815), (4785, 6627)]