30978225

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1051}}^1$

素因数の和:1198

約数の個数: 36

約数和(自身を含む): 55962192

約数和(自身を除く): 24983967

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 393, 655, 1051, 1179, 1965, 3153, 3275, 5255, 5895, 9459, 9825, 15765, 26275, 29475, 47295, 78825, 137681, 236475, 413043, 688405, 1239129, 2065215, 3442025, 6195645, 10326075, 30978225]

約数ペア:

[(1, 30978225), (3, 10326075), (5, 6195645), (9, 3442025), (15, 2065215), (25, 1239129), (45, 688405), (75, 413043), (131, 236475), (225, 137681), (393, 78825), (655, 47295), (1051, 29475), (1179, 26275), (1965, 15765), (3153, 9825), (3275, 9459), (5255, 5895)]