42471555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 83328000

約数和(自身を除く): 40856445

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 61, 95, 105, 133, 183, 285, 305, 349, 399, 427, 665, 915, 1047, 1159, 1281, 1745, 1995, 2135, 2443, 3477, 5235, 5795, 6405, 6631, 7329, 8113, 12215, 17385, 19893, 21289, 24339, 33155, 36645, 40565, 46417, 63867, 99465, 106445, 121695, 139251, 149023, 232085, 319335, 404491, 447069, 696255, 745115, 1213473, 2022455, 2235345, 2831437, 6067365, 8494311, 14157185, 42471555]

約数ペア:

[(1, 42471555), (3, 14157185), (5, 8494311), (7, 6067365), (15, 2831437), (19, 2235345), (21, 2022455), (35, 1213473), (57, 745115), (61, 696255), (95, 447069), (105, 404491), (133, 319335), (183, 232085), (285, 149023), (305, 139251), (349, 121695), (399, 106445), (427, 99465), (665, 63867), (915, 46417), (1047, 40565), (1159, 36645), (1281, 33155), (1745, 24339), (1995, 21289), (2135, 19893), (2443, 17385), (3477, 12215), (5235, 8113), (5795, 7329), (6405, 6631)]