399326115

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{21839}}^1$

素因数の和:21923

約数の個数: 32

約数和(自身を含む): 679311360

約数和(自身を除く): 279985245

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 265, 345, 795, 1219, 3657, 6095, 18285, 21839, 65517, 109195, 327585, 502297, 1157467, 1506891, 2511485, 3472401, 5787335, 7534455, 17362005, 26621741, 79865223, 133108705, 399326115]

約数ペア:

[(1, 399326115), (3, 133108705), (5, 79865223), (15, 26621741), (23, 17362005), (53, 7534455), (69, 5787335), (115, 3472401), (159, 2511485), (265, 1506891), (345, 1157467), (795, 502297), (1219, 327585), (3657, 109195), (6095, 65517), (18285, 21839)]