71919171

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:321

約数の個数: 40

約数和(自身を含む): 111078000

約数和(自身を除く): 39158829

約数列:

[1, 3, 9, 27, 59, 81, 101, 149, 177, 303, 447, 531, 909, 1341, 1593, 2727, 4023, 4779, 5959, 8181, 8791, 12069, 15049, 17877, 26373, 45147, 53631, 79119, 135441, 160893, 237357, 406323, 482679, 712071, 887891, 1218969, 2663673, 7991019, 23973057, 71919171]

約数ペア:

[(1, 71919171), (3, 23973057), (9, 7991019), (27, 2663673), (59, 1218969), (81, 887891), (101, 712071), (149, 482679), (177, 406323), (303, 237357), (447, 160893), (531, 135441), (909, 79119), (1341, 53631), (1593, 45147), (2727, 26373), (4023, 17877), (4779, 15049), (5959, 12069), (8181, 8791)]