16225905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 29177280

約数和(自身を除く): 12951375

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 197, 255, 285, 289, 323, 591, 867, 969, 985, 1445, 1615, 2955, 3349, 3743, 4335, 4845, 5491, 10047, 11229, 16473, 16745, 18715, 27455, 50235, 56145, 56933, 63631, 82365, 170799, 190893, 284665, 318155, 853995, 954465, 1081727, 3245181, 5408635, 16225905]

約数ペア:

[(1, 16225905), (3, 5408635), (5, 3245181), (15, 1081727), (17, 954465), (19, 853995), (51, 318155), (57, 284665), (85, 190893), (95, 170799), (197, 82365), (255, 63631), (285, 56933), (289, 56145), (323, 50235), (591, 27455), (867, 18715), (969, 16745), (985, 16473), (1445, 11229), (1615, 10047), (2955, 5491), (3349, 4845), (3743, 4335)]