28050225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 55954752

約数和(自身を除く): 27904527

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 101, 105, 115, 161, 175, 303, 345, 483, 505, 525, 529, 575, 707, 805, 1515, 1587, 1725, 2121, 2323, 2415, 2525, 2645, 3535, 3703, 4025, 6969, 7575, 7935, 10605, 11109, 11615, 12075, 13225, 16261, 17675, 18515, 34845, 39675, 48783, 53025, 53429, 55545, 58075, 81305, 92575, 160287, 174225, 243915, 267145, 277725, 374003, 406525, 801435, 1122009, 1219575, 1335725, 1870015, 4007175, 5610045, 9350075, 28050225]

約数ペア:

[(1, 28050225), (3, 9350075), (5, 5610045), (7, 4007175), (15, 1870015), (21, 1335725), (23, 1219575), (25, 1122009), (35, 801435), (69, 406525), (75, 374003), (101, 277725), (105, 267145), (115, 243915), (161, 174225), (175, 160287), (303, 92575), (345, 81305), (483, 58075), (505, 55545), (525, 53429), (529, 53025), (575, 48783), (707, 39675), (805, 34845), (1515, 18515), (1587, 17675), (1725, 16261), (2121, 13225), (2323, 12075), (2415, 11615), (2525, 11109), (2645, 10605), (3535, 7935), (3703, 7575), (4025, 6969)]