30978815

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1327}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 45895680

約数和(自身を除く): 14916865

約数列:

[1, 5, 7, 23, 29, 35, 115, 145, 161, 203, 667, 805, 1015, 1327, 3335, 4669, 6635, 9289, 23345, 30521, 38483, 46445, 152605, 192415, 213647, 269381, 885109, 1068235, 1346905, 4425545, 6195763, 30978815]

約数ペア:

[(1, 30978815), (5, 6195763), (7, 4425545), (23, 1346905), (29, 1068235), (35, 885109), (115, 269381), (145, 213647), (161, 192415), (203, 152605), (667, 46445), (805, 38483), (1015, 30521), (1327, 23345), (3335, 9289), (4669, 6635)]