491569455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{8431}}^1$

素因数の和:8488

約数の個数: 48

約数和(自身を含む): 888800256

約数和(自身を除く): 397230801

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 169, 195, 299, 345, 507, 845, 897, 1495, 2535, 3887, 4485, 8431, 11661, 19435, 25293, 42155, 58305, 109603, 126465, 193913, 328809, 548015, 581739, 969565, 1424839, 1644045, 2520869, 2908695, 4274517, 7124195, 7562607, 12604345, 21372585, 32771297, 37813035, 98313891, 163856485, 491569455]

約数ペア:

[(1, 491569455), (3, 163856485), (5, 98313891), (13, 37813035), (15, 32771297), (23, 21372585), (39, 12604345), (65, 7562607), (69, 7124195), (115, 4274517), (169, 2908695), (195, 2520869), (299, 1644045), (345, 1424839), (507, 969565), (845, 581739), (897, 548015), (1495, 328809), (2535, 193913), (3887, 126465), (4485, 109603), (8431, 58305), (11661, 42155), (19435, 25293)]