31897719

素因数分解:

$3^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 55094688

約数和(自身を除く): 23196969

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 101, 189, 303, 557, 567, 707, 909, 1671, 2121, 2727, 3899, 5013, 6363, 8181, 11697, 15039, 19089, 35091, 45117, 56257, 57267, 105273, 168771, 315819, 393799, 506313, 1181397, 1518939, 3544191, 4556817, 10632573, 31897719]

約数ペア:

[(1, 31897719), (3, 10632573), (7, 4556817), (9, 3544191), (21, 1518939), (27, 1181397), (63, 506313), (81, 393799), (101, 315819), (189, 168771), (303, 105273), (557, 57267), (567, 56257), (707, 45117), (909, 35091), (1671, 19089), (2121, 15039), (2727, 11697), (3899, 8181), (5013, 6363)]