491878491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1\times {\mathrm{467}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 717050880

約数和(自身を除く): 225172389

約数列:

[1, 3, 13, 39, 113, 239, 339, 467, 717, 1401, 1469, 3107, 4407, 6071, 9321, 18213, 27007, 52771, 81021, 111613, 158313, 334839, 351091, 686023, 1053273, 1450969, 2058069, 4352907, 12612269, 37836807, 163959497, 491878491]

約数ペア:

[(1, 491878491), (3, 163959497), (13, 37836807), (39, 12612269), (113, 4352907), (239, 2058069), (339, 1450969), (467, 1053273), (717, 686023), (1401, 351091), (1469, 334839), (3107, 158313), (4407, 111613), (6071, 81021), (9321, 52771), (18213, 27007)]