198581655

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 345461760

約数和(自身を除く): 146880105

約数列:

[1, 3, 5, 15, 23, 41, 69, 101, 115, 123, 139, 205, 303, 345, 417, 505, 615, 695, 943, 1515, 2085, 2323, 2829, 3197, 4141, 4715, 5699, 6969, 9591, 11615, 12423, 14039, 14145, 15985, 17097, 20705, 28495, 34845, 42117, 47955, 62115, 70195, 85485, 95243, 131077, 210585, 285729, 322897, 393231, 476215, 575599, 655385, 968691, 1428645, 1614485, 1726797, 1966155, 2877995, 4843455, 8633985, 13238777, 39716331, 66193885, 198581655]

約数ペア:

[(1, 198581655), (3, 66193885), (5, 39716331), (15, 13238777), (23, 8633985), (41, 4843455), (69, 2877995), (101, 1966155), (115, 1726797), (123, 1614485), (139, 1428645), (205, 968691), (303, 655385), (345, 575599), (417, 476215), (505, 393231), (615, 322897), (695, 285729), (943, 210585), (1515, 131077), (2085, 95243), (2323, 85485), (2829, 70195), (3197, 62115), (4141, 47955), (4715, 42117), (5699, 34845), (6969, 28495), (9591, 20705), (11615, 17097), (12423, 15985), (14039, 14145)]