172189845

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 329142528

約数和(自身を除く): 156952683

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 53, 69, 73, 115, 129, 159, 207, 215, 219, 265, 345, 365, 387, 477, 645, 657, 795, 989, 1035, 1095, 1219, 1679, 1935, 2279, 2385, 2967, 3139, 3285, 3657, 3869, 4945, 5037, 6095, 6837, 8395, 8901, 9417, 10971, 11395, 11607, 14835, 15111, 15695, 18285, 19345, 20511, 25185, 28251, 34185, 34821, 44505, 47085, 52417, 54855, 58035, 72197, 75555, 88987, 102555, 141255, 157251, 166367, 174105, 216591, 262085, 266961, 360985, 444935, 471753, 499101, 649773, 786255, 800883, 831835, 1082955, 1334805, 1497303, 2358765, 2495505, 3248865, 3826441, 4004415, 7486515, 11479323, 19132205, 34437969, 57396615, 172189845]

約数ペア:

[(1, 172189845), (3, 57396615), (5, 34437969), (9, 19132205), (15, 11479323), (23, 7486515), (43, 4004415), (45, 3826441), (53, 3248865), (69, 2495505), (73, 2358765), (115, 1497303), (129, 1334805), (159, 1082955), (207, 831835), (215, 800883), (219, 786255), (265, 649773), (345, 499101), (365, 471753), (387, 444935), (477, 360985), (645, 266961), (657, 262085), (795, 216591), (989, 174105), (1035, 166367), (1095, 157251), (1219, 141255), (1679, 102555), (1935, 88987), (2279, 75555), (2385, 72197), (2967, 58035), (3139, 54855), (3285, 52417), (3657, 47085), (3869, 44505), (4945, 34821), (5037, 34185), (6095, 28251), (6837, 25185), (8395, 20511), (8901, 19345), (9417, 18285), (10971, 15695), (11395, 15111), (11607, 14835)]