221409825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{32441}}^1$

素因数の和:32474

約数の個数: 48

約数和(自身を含む): 450554496

約数和(自身を除く): 229144671

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 6825, 32441, 97323, 162205, 227087, 421733, 486615, 681261, 811025, 1135435, 1265199, 2108665, 2433075, 2952131, 3406305, 5677175, 6325995, 8856393, 10543325, 14760655, 17031525, 31629975, 44281965, 73803275, 221409825]

約数ペア:

[(1, 221409825), (3, 73803275), (5, 44281965), (7, 31629975), (13, 17031525), (15, 14760655), (21, 10543325), (25, 8856393), (35, 6325995), (39, 5677175), (65, 3406305), (75, 2952131), (91, 2433075), (105, 2108665), (175, 1265199), (195, 1135435), (273, 811025), (325, 681261), (455, 486615), (525, 421733), (975, 227087), (1365, 162205), (2275, 97323), (6825, 32441)]