1215839241

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1609}}^1$

素因数の和:2131

約数の個数: 40

約数和(自身を含む): 1916930400

約数和(自身を除く): 701091159

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 491, 513, 1473, 1539, 1609, 4419, 4827, 9329, 13257, 14481, 27987, 30571, 39771, 43443, 83961, 91713, 130329, 251883, 275139, 755649, 790019, 825417, 2370057, 2476251, 7110171, 15010361, 21330513, 45031083, 63991539, 135093249, 405279747, 1215839241]

約数ペア:

[(1, 1215839241), (3, 405279747), (9, 135093249), (19, 63991539), (27, 45031083), (57, 21330513), (81, 15010361), (171, 7110171), (491, 2476251), (513, 2370057), (1473, 825417), (1539, 790019), (1609, 755649), (4419, 275139), (4827, 251883), (9329, 130329), (13257, 91713), (14481, 83961), (27987, 43443), (30571, 39771)]