71385405

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 148313088

約数和(自身を除く): 76927683

約数列:

[1, 3, 5, 7, 13, 15, 21, 31, 35, 39, 49, 65, 91, 93, 105, 147, 155, 195, 217, 241, 245, 273, 403, 455, 465, 637, 651, 723, 735, 1085, 1205, 1209, 1365, 1519, 1687, 1911, 2015, 2821, 3133, 3185, 3255, 3615, 4557, 5061, 6045, 7471, 7595, 8435, 8463, 9399, 9555, 11809, 14105, 15665, 19747, 21931, 22413, 22785, 25305, 35427, 37355, 42315, 46995, 52297, 59045, 59241, 65793, 97123, 98735, 109655, 112065, 153517, 156891, 177135, 261485, 291369, 296205, 328965, 366079, 460551, 485615, 679861, 767585, 784455, 1098237, 1456845, 1830395, 2039583, 2302755, 3399305, 4759027, 5491185, 10197915, 14277081, 23795135, 71385405]

約数ペア:

[(1, 71385405), (3, 23795135), (5, 14277081), (7, 10197915), (13, 5491185), (15, 4759027), (21, 3399305), (31, 2302755), (35, 2039583), (39, 1830395), (49, 1456845), (65, 1098237), (91, 784455), (93, 767585), (105, 679861), (147, 485615), (155, 460551), (195, 366079), (217, 328965), (241, 296205), (245, 291369), (273, 261485), (403, 177135), (455, 156891), (465, 153517), (637, 112065), (651, 109655), (723, 98735), (735, 97123), (1085, 65793), (1205, 59241), (1209, 59045), (1365, 52297), (1519, 46995), (1687, 42315), (1911, 37355), (2015, 35427), (2821, 25305), (3133, 22785), (3185, 22413), (3255, 21931), (3615, 19747), (4557, 15665), (5061, 14105), (6045, 11809), (7471, 9555), (7595, 9399), (8435, 8463)]