216131805

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{569}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 392670720

約数和(自身を除く): 176538915

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 367, 569, 1035, 1101, 1707, 1835, 2845, 3303, 5121, 5505, 8441, 8535, 13087, 16515, 25323, 25605, 39261, 42205, 65435, 75969, 117783, 126615, 196305, 208823, 379845, 588915, 626469, 1044115, 1879407, 3132345, 4802929, 9397035, 14408787, 24014645, 43226361, 72043935, 216131805]

約数ペア:

[(1, 216131805), (3, 72043935), (5, 43226361), (9, 24014645), (15, 14408787), (23, 9397035), (45, 4802929), (69, 3132345), (115, 1879407), (207, 1044115), (345, 626469), (367, 588915), (569, 379845), (1035, 208823), (1101, 196305), (1707, 126615), (1835, 117783), (2845, 75969), (3303, 65435), (5121, 42205), (5505, 39261), (8441, 25605), (8535, 25323), (13087, 16515)]