211672251

素因数分解:

$3^3\times 7^1\times {\mathrm{1119959}}^1$

素因数の和:1119975

約数の個数: 16

約数和(自身を含む): 358387200

約数和(自身を除く): 146714949

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1119959, 3359877, 7839713, 10079631, 23519139, 30238893, 70557417, 211672251]

約数ペア:

[(1, 211672251), (3, 70557417), (7, 30238893), (9, 23519139), (21, 10079631), (27, 7839713), (63, 3359877), (189, 1119959)]