2019911607

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 3477196800

約数和(自身を除く): 1457285193

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 239, 291, 461, 679, 717, 873, 1383, 1673, 2037, 2151, 2619, 3227, 4149, 5019, 6111, 6453, 9681, 12447, 15057, 18333, 23183, 29043, 44717, 45171, 69549, 87129, 110179, 134151, 162281, 208647, 313019, 330537, 402453, 486843, 625941, 771253, 939057, 991611, 1207359, 1460529, 2313759, 2817171, 2974833, 4381587, 6941277, 8451513, 10687363, 20823831, 32062089, 74811541, 96186267, 224434623, 288558801, 673303869, 2019911607]

約数ペア:

[(1, 2019911607), (3, 673303869), (7, 288558801), (9, 224434623), (21, 96186267), (27, 74811541), (63, 32062089), (97, 20823831), (189, 10687363), (239, 8451513), (291, 6941277), (461, 4381587), (679, 2974833), (717, 2817171), (873, 2313759), (1383, 1460529), (1673, 1207359), (2037, 991611), (2151, 939057), (2619, 771253), (3227, 625941), (4149, 486843), (5019, 402453), (6111, 330537), (6453, 313019), (9681, 208647), (12447, 162281), (15057, 134151), (18333, 110179), (23183, 87129), (29043, 69549), (44717, 45171)]