215934381

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^2\times {\mathrm{233}}^1$

素因数の和:430

約数の個数: 36

約数和(自身を含む): 341172468

約数和(自身を除く): 125238087

約数列:

[1, 3, 9, 13, 39, 89, 117, 233, 267, 699, 801, 1157, 2097, 3029, 3471, 7921, 9087, 10413, 20737, 23763, 27261, 62211, 71289, 102973, 186633, 269581, 308919, 808743, 926757, 1845593, 2426229, 5536779, 16610337, 23992709, 71978127, 215934381]

約数ペア:

[(1, 215934381), (3, 71978127), (9, 23992709), (13, 16610337), (39, 5536779), (89, 2426229), (117, 1845593), (233, 926757), (267, 808743), (699, 308919), (801, 269581), (1157, 186633), (2097, 102973), (3029, 71289), (3471, 62211), (7921, 27261), (9087, 23763), (10413, 20737)]