161631195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 308985600

約数和(自身を除く): 147354405

約数列:

[1, 3, 5, 11, 15, 19, 33, 43, 55, 57, 95, 109, 121, 129, 165, 209, 215, 285, 327, 363, 473, 545, 605, 627, 645, 817, 1045, 1199, 1419, 1635, 1815, 2071, 2299, 2365, 2451, 3135, 3597, 4085, 4687, 5203, 5995, 6213, 6897, 7095, 8987, 10355, 11495, 12255, 13189, 14061, 15609, 17985, 22781, 23435, 26015, 26961, 31065, 34485, 39567, 44935, 51557, 65945, 68343, 70305, 78045, 89053, 98857, 113905, 134805, 154671, 197835, 250591, 257785, 267159, 296571, 341715, 445265, 494285, 567127, 751773, 773355, 979583, 1252955, 1335795, 1482855, 1701381, 2835635, 2938749, 3758865, 4897915, 8506905, 10775413, 14693745, 32326239, 53877065, 161631195]

約数ペア:

[(1, 161631195), (3, 53877065), (5, 32326239), (11, 14693745), (15, 10775413), (19, 8506905), (33, 4897915), (43, 3758865), (55, 2938749), (57, 2835635), (95, 1701381), (109, 1482855), (121, 1335795), (129, 1252955), (165, 979583), (209, 773355), (215, 751773), (285, 567127), (327, 494285), (363, 445265), (473, 341715), (545, 296571), (605, 267159), (627, 257785), (645, 250591), (817, 197835), (1045, 154671), (1199, 134805), (1419, 113905), (1635, 98857), (1815, 89053), (2071, 78045), (2299, 70305), (2365, 68343), (2451, 65945), (3135, 51557), (3597, 44935), (4085, 39567), (4687, 34485), (5203, 31065), (5995, 26961), (6213, 26015), (6897, 23435), (7095, 22781), (8987, 17985), (10355, 15609), (11495, 14061), (12255, 13189)]