161898495

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1232

約数の個数: 64

約数和(自身を含む): 303105024

約数和(自身を除く): 141206529

約数列:

[1, 3, 5, 11, 15, 23, 33, 37, 55, 69, 111, 115, 165, 185, 253, 345, 407, 555, 759, 851, 1153, 1221, 1265, 2035, 2553, 3459, 3795, 4255, 5765, 6105, 9361, 12683, 12765, 17295, 26519, 28083, 38049, 42661, 46805, 63415, 79557, 127983, 132595, 140415, 190245, 213305, 291709, 397785, 469271, 639915, 875127, 981203, 1407813, 1458545, 2346355, 2943609, 4375635, 4906015, 7039065, 10793233, 14718045, 32379699, 53966165, 161898495]

約数ペア:

[(1, 161898495), (3, 53966165), (5, 32379699), (11, 14718045), (15, 10793233), (23, 7039065), (33, 4906015), (37, 4375635), (55, 2943609), (69, 2346355), (111, 1458545), (115, 1407813), (165, 981203), (185, 875127), (253, 639915), (345, 469271), (407, 397785), (555, 291709), (759, 213305), (851, 190245), (1153, 140415), (1221, 132595), (1265, 127983), (2035, 79557), (2553, 63415), (3459, 46805), (3795, 42661), (4255, 38049), (5765, 28083), (6105, 26519), (9361, 17295), (12683, 12765)]