218540925

素因数分解:

$3^2\times 5^2\times {\mathrm{503}}^1\times {\mathrm{1931}}^1$

素因数の和:2450

約数の個数: 36

約数和(自身を含む): 392412384

約数和(自身を除く): 173871459

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 503, 1509, 1931, 2515, 4527, 5793, 7545, 9655, 12575, 17379, 22635, 28965, 37725, 48275, 86895, 113175, 144825, 434475, 971293, 2913879, 4856465, 8741637, 14569395, 24282325, 43708185, 72846975, 218540925]

約数ペア:

[(1, 218540925), (3, 72846975), (5, 43708185), (9, 24282325), (15, 14569395), (25, 8741637), (45, 4856465), (75, 2913879), (225, 971293), (503, 434475), (1509, 144825), (1931, 113175), (2515, 86895), (4527, 48275), (5793, 37725), (7545, 28965), (9655, 22635), (12575, 17379)]