1209465

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 48

約数和(自身を含む): 2357760

約数和(自身を除く): 1148295

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 85, 93, 135, 153, 155, 255, 279, 289, 459, 465, 527, 765, 837, 867, 1395, 1445, 1581, 2295, 2601, 2635, 4185, 4335, 4743, 7803, 7905, 8959, 13005, 14229, 23715, 26877, 39015, 44795, 71145, 80631, 134385, 241893, 403155, 1209465]

約数ペア:

[(1, 1209465), (3, 403155), (5, 241893), (9, 134385), (15, 80631), (17, 71145), (27, 44795), (31, 39015), (45, 26877), (51, 23715), (85, 14229), (93, 13005), (135, 8959), (153, 7905), (155, 7803), (255, 4743), (279, 4335), (289, 4185), (459, 2635), (465, 2601), (527, 2295), (765, 1581), (837, 1445), (867, 1395)]