9907191

素因数分解:

$3^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:293

約数の個数: 40

約数和(自身を含む): 17180064

約数和(自身を除く): 7272873

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 101, 173, 189, 303, 519, 567, 707, 909, 1211, 1557, 2121, 2727, 3633, 4671, 6363, 8181, 10899, 14013, 17473, 19089, 32697, 52419, 57267, 98091, 122311, 157257, 366933, 471771, 1100799, 1415313, 3302397, 9907191]

約数ペア:

[(1, 9907191), (3, 3302397), (7, 1415313), (9, 1100799), (21, 471771), (27, 366933), (63, 157257), (81, 122311), (101, 98091), (173, 57267), (189, 52419), (303, 32697), (519, 19089), (567, 17473), (707, 14013), (909, 10899), (1211, 8181), (1557, 6363), (2121, 4671), (2727, 3633)]