73173465

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 141635520

約数和(自身を除く): 68462055

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 61, 69, 95, 115, 171, 183, 207, 285, 305, 345, 437, 549, 855, 915, 1035, 1159, 1311, 1403, 2185, 2745, 3477, 3721, 3933, 4209, 5795, 6555, 7015, 10431, 11163, 12627, 17385, 18605, 19665, 21045, 26657, 33489, 52155, 55815, 63135, 70699, 79971, 85583, 133285, 167445, 212097, 239913, 256749, 353495, 399855, 427915, 636291, 770247, 1060485, 1199565, 1283745, 1626077, 3181455, 3851235, 4878231, 8130385, 14634693, 24391155, 73173465]

約数ペア:

[(1, 73173465), (3, 24391155), (5, 14634693), (9, 8130385), (15, 4878231), (19, 3851235), (23, 3181455), (45, 1626077), (57, 1283745), (61, 1199565), (69, 1060485), (95, 770247), (115, 636291), (171, 427915), (183, 399855), (207, 353495), (285, 256749), (305, 239913), (345, 212097), (437, 167445), (549, 133285), (855, 85583), (915, 79971), (1035, 70699), (1159, 63135), (1311, 55815), (1403, 52155), (2185, 33489), (2745, 26657), (3477, 21045), (3721, 19665), (3933, 18605), (4209, 17385), (5795, 12627), (6555, 11163), (7015, 10431)]