219821055

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{1801}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 359823360

約数和(自身を除く): 140002305

約数列:

[1, 3, 5, 15, 79, 103, 237, 309, 395, 515, 1185, 1545, 1801, 5403, 8137, 9005, 24411, 27015, 40685, 122055, 142279, 185503, 426837, 556509, 711395, 927515, 2134185, 2782545, 14654737, 43964211, 73273685, 219821055]

約数ペア:

[(1, 219821055), (3, 73273685), (5, 43964211), (15, 14654737), (79, 2782545), (103, 2134185), (237, 927515), (309, 711395), (395, 556509), (515, 426837), (1185, 185503), (1545, 142279), (1801, 122055), (5403, 40685), (8137, 27015), (9005, 24411)]