64511685

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1721}}^1$

素因数の和:1763

約数の個数: 72

約数和(自身を含む): 137808216

約数和(自身を除く): 73296531

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 765, 833, 1071, 1721, 1785, 2205, 2499, 4165, 5163, 5355, 7497, 8605, 12047, 12495, 15489, 25815, 29257, 36141, 37485, 60235, 77445, 84329, 87771, 108423, 146285, 180705, 204799, 252987, 263313, 421645, 438855, 542115, 614397, 758961, 1023995, 1264935, 1316565, 1433593, 1843191, 3071985, 3794805, 4300779, 7167965, 9215955, 12902337, 21503895, 64511685]

約数ペア:

[(1, 64511685), (3, 21503895), (5, 12902337), (7, 9215955), (9, 7167965), (15, 4300779), (17, 3794805), (21, 3071985), (35, 1843191), (45, 1433593), (49, 1316565), (51, 1264935), (63, 1023995), (85, 758961), (105, 614397), (119, 542115), (147, 438855), (153, 421645), (245, 263313), (255, 252987), (315, 204799), (357, 180705), (441, 146285), (595, 108423), (735, 87771), (765, 84329), (833, 77445), (1071, 60235), (1721, 37485), (1785, 36141), (2205, 29257), (2499, 25815), (4165, 15489), (5163, 12495), (5355, 12047), (7497, 8605)]