28030905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 59844096

約数和(自身を除く): 31813191

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 53, 63, 69, 73, 105, 115, 159, 161, 207, 219, 265, 315, 345, 365, 371, 477, 483, 511, 657, 795, 805, 1035, 1095, 1113, 1219, 1449, 1533, 1679, 1855, 2385, 2415, 2555, 3285, 3339, 3657, 3869, 4599, 5037, 5565, 6095, 7245, 7665, 8395, 8533, 10971, 11607, 11753, 15111, 16695, 18285, 19345, 22995, 25185, 25599, 27083, 34821, 35259, 42665, 54855, 58035, 58765, 75555, 76797, 81249, 88987, 105777, 127995, 135415, 174105, 176295, 243747, 266961, 383985, 406245, 444935, 528885, 622909, 800883, 1218735, 1334805, 1868727, 3114545, 4004415, 5606181, 9343635, 28030905]

約数ペア:

[(1, 28030905), (3, 9343635), (5, 5606181), (7, 4004415), (9, 3114545), (15, 1868727), (21, 1334805), (23, 1218735), (35, 800883), (45, 622909), (53, 528885), (63, 444935), (69, 406245), (73, 383985), (105, 266961), (115, 243747), (159, 176295), (161, 174105), (207, 135415), (219, 127995), (265, 105777), (315, 88987), (345, 81249), (365, 76797), (371, 75555), (477, 58765), (483, 58035), (511, 54855), (657, 42665), (795, 35259), (805, 34821), (1035, 27083), (1095, 25599), (1113, 25185), (1219, 22995), (1449, 19345), (1533, 18285), (1679, 16695), (1855, 15111), (2385, 11753), (2415, 11607), (2555, 10971), (3285, 8533), (3339, 8395), (3657, 7665), (3869, 7245), (4599, 6095), (5037, 5565)]