78317811

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 138857472

約数和(自身を除く): 60539661

約数列:

[1, 3, 9, 11, 13, 31, 33, 39, 93, 99, 117, 143, 151, 169, 279, 341, 403, 429, 453, 507, 1023, 1209, 1287, 1359, 1521, 1661, 1859, 1963, 3069, 3627, 4433, 4681, 4983, 5239, 5577, 5889, 13299, 14043, 14949, 15717, 16731, 17667, 21593, 25519, 39897, 42129, 47151, 51491, 57629, 60853, 64779, 76557, 154473, 172887, 182559, 194337, 229671, 280709, 463419, 518661, 547677, 669383, 791089, 842127, 2008149, 2373267, 2526381, 6024447, 7119801, 8701979, 26105937, 78317811]

約数ペア:

[(1, 78317811), (3, 26105937), (9, 8701979), (11, 7119801), (13, 6024447), (31, 2526381), (33, 2373267), (39, 2008149), (93, 842127), (99, 791089), (117, 669383), (143, 547677), (151, 518661), (169, 463419), (279, 280709), (341, 229671), (403, 194337), (429, 182559), (453, 172887), (507, 154473), (1023, 76557), (1209, 64779), (1287, 60853), (1359, 57629), (1521, 51491), (1661, 47151), (1859, 42129), (1963, 39897), (3069, 25519), (3627, 21593), (4433, 17667), (4681, 16731), (4983, 15717), (5239, 14949), (5577, 14043), (5889, 13299)]