217296945

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26387}}^1$

素因数の和:26462

約数の個数: 32

約数和(自身を含む): 392653440

約数和(自身を除く): 175356495

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235, 26387, 79161, 131935, 237483, 395805, 712449, 1187415, 1609607, 3562245, 4828821, 8048035, 14486463, 24144105, 43459389, 72432315, 217296945]

約数ペア:

[(1, 217296945), (3, 72432315), (5, 43459389), (9, 24144105), (15, 14486463), (27, 8048035), (45, 4828821), (61, 3562245), (135, 1609607), (183, 1187415), (305, 712449), (549, 395805), (915, 237483), (1647, 131935), (2745, 79161), (8235, 26387)]