71347275

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 135098496

約数和(自身を除く): 63751221

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 53, 75, 93, 155, 159, 193, 225, 265, 279, 465, 477, 579, 775, 795, 965, 1325, 1395, 1643, 1737, 2325, 2385, 2895, 3975, 4825, 4929, 5983, 6975, 8215, 8685, 10229, 11925, 14475, 14787, 17949, 24645, 29915, 30687, 41075, 43425, 51145, 53847, 73935, 89745, 92061, 123225, 149575, 153435, 255725, 269235, 317099, 369675, 448725, 460305, 767175, 951297, 1346175, 1585495, 2301525, 2853891, 4756485, 7927475, 14269455, 23782425, 71347275]

約数ペア:

[(1, 71347275), (3, 23782425), (5, 14269455), (9, 7927475), (15, 4756485), (25, 2853891), (31, 2301525), (45, 1585495), (53, 1346175), (75, 951297), (93, 767175), (155, 460305), (159, 448725), (193, 369675), (225, 317099), (265, 269235), (279, 255725), (465, 153435), (477, 149575), (579, 123225), (775, 92061), (795, 89745), (965, 73935), (1325, 53847), (1395, 51145), (1643, 43425), (1737, 41075), (2325, 30687), (2385, 29915), (2895, 24645), (3975, 17949), (4825, 14787), (4929, 14475), (5983, 11925), (6975, 10229), (8215, 8685)]