9780884865

素因数分解:

$3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{259681}}^1$

素因数の和:259732

約数の個数: 48

約数和(自身を含む): 18148655616

約数和(自身を除く): 8367770751

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 279, 405, 465, 837, 1215, 1395, 2511, 4185, 7533, 12555, 37665, 259681, 779043, 1298405, 2337129, 3895215, 7011387, 8050111, 11685645, 21034161, 24150333, 35056935, 40250555, 63102483, 72450999, 105170805, 120751665, 217352997, 315512415, 362254995, 652058991, 1086764985, 1956176973, 3260294955, 9780884865]

約数ペア:

[(1, 9780884865), (3, 3260294955), (5, 1956176973), (9, 1086764985), (15, 652058991), (27, 362254995), (31, 315512415), (45, 217352997), (81, 120751665), (93, 105170805), (135, 72450999), (155, 63102483), (243, 40250555), (279, 35056935), (405, 24150333), (465, 21034161), (837, 11685645), (1215, 8050111), (1395, 7011387), (2511, 3895215), (4185, 2337129), (7533, 1298405), (12555, 779043), (37665, 259681)]