81335916

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 212874480

約数和(自身を除く): 131538564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 227, 269, 333, 444, 454, 538, 666, 681, 807, 908, 1076, 1332, 1362, 1614, 2043, 2421, 2724, 3228, 4086, 4842, 8172, 8399, 9684, 9953, 16798, 19906, 25197, 29859, 33596, 39812, 50394, 59718, 61063, 75591, 89577, 100788, 119436, 122126, 151182, 179154, 183189, 244252, 302364, 358308, 366378, 549567, 732756, 1099134, 2198268, 2259331, 4518662, 6777993, 9037324, 13555986, 20333979, 27111972, 40667958, 81335916]

約数ペア:

[(1, 81335916), (2, 40667958), (3, 27111972), (4, 20333979), (6, 13555986), (9, 9037324), (12, 6777993), (18, 4518662), (36, 2259331), (37, 2198268), (74, 1099134), (111, 732756), (148, 549567), (222, 366378), (227, 358308), (269, 302364), (333, 244252), (444, 183189), (454, 179154), (538, 151182), (666, 122126), (681, 119436), (807, 100788), (908, 89577), (1076, 75591), (1332, 61063), (1362, 59718), (1614, 50394), (2043, 39812), (2421, 33596), (2724, 29859), (3228, 25197), (4086, 19906), (4842, 16798), (8172, 9953), (8399, 9684)]