155005575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2084

約数の個数: 48

約数和(自身を含む): 275937696

約数和(自身を除く): 120932121

約数列:

[1, 3, 5, 15, 17, 25, 51, 61, 75, 85, 183, 255, 305, 425, 915, 1037, 1275, 1525, 1993, 3111, 4575, 5185, 5979, 9965, 15555, 25925, 29895, 33881, 49825, 77775, 101643, 121573, 149475, 169405, 364719, 508215, 607865, 847025, 1823595, 2066741, 2541075, 3039325, 6200223, 9117975, 10333705, 31001115, 51668525, 155005575]

約数ペア:

[(1, 155005575), (3, 51668525), (5, 31001115), (15, 10333705), (17, 9117975), (25, 6200223), (51, 3039325), (61, 2541075), (75, 2066741), (85, 1823595), (183, 847025), (255, 607865), (305, 508215), (425, 364719), (915, 169405), (1037, 149475), (1275, 121573), (1525, 101643), (1993, 77775), (3111, 49825), (4575, 33881), (5185, 29895), (5979, 25925), (9965, 15555)]