201890997

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{17137}}^1$

素因数の和:17178

約数の個数: 48

約数和(自身を含む): 384988032

約数和(自身を除く): 183097035

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1683, 3927, 11781, 17137, 51411, 119959, 154233, 188507, 291329, 359877, 565521, 873987, 1079631, 1319549, 1696563, 2039303, 2621961, 3204619, 3958647, 6117909, 9613857, 11875941, 18353727, 22432333, 28841571, 67296999, 201890997]

約数ペア:

[(1, 201890997), (3, 67296999), (7, 28841571), (9, 22432333), (11, 18353727), (17, 11875941), (21, 9613857), (33, 6117909), (51, 3958647), (63, 3204619), (77, 2621961), (99, 2039303), (119, 1696563), (153, 1319549), (187, 1079631), (231, 873987), (357, 565521), (561, 359877), (693, 291329), (1071, 188507), (1309, 154233), (1683, 119959), (3927, 51411), (11781, 17137)]