28618275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 57448704

約数和(自身を除く): 28830429

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 151, 175, 285, 361, 399, 453, 475, 525, 665, 755, 1057, 1083, 1425, 1805, 1995, 2265, 2527, 2869, 3171, 3325, 3775, 5285, 5415, 7581, 8607, 9025, 9975, 11325, 12635, 14345, 15855, 20083, 26425, 27075, 37905, 43035, 54511, 60249, 63175, 71725, 79275, 100415, 163533, 189525, 215175, 272555, 301245, 381577, 502075, 817665, 1144731, 1362775, 1506225, 1907885, 4088325, 5723655, 9539425, 28618275]

約数ペア:

[(1, 28618275), (3, 9539425), (5, 5723655), (7, 4088325), (15, 1907885), (19, 1506225), (21, 1362775), (25, 1144731), (35, 817665), (57, 502075), (75, 381577), (95, 301245), (105, 272555), (133, 215175), (151, 189525), (175, 163533), (285, 100415), (361, 79275), (399, 71725), (453, 63175), (475, 60249), (525, 54511), (665, 43035), (755, 37905), (1057, 27075), (1083, 26425), (1425, 20083), (1805, 15855), (1995, 14345), (2265, 12635), (2527, 11325), (2869, 9975), (3171, 9025), (3325, 8607), (3775, 7581), (5285, 5415)]