18242775

素因数分解:

$3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1016

約数の個数: 36

約数和(自身を含む): 33078240

約数和(自身を除く): 14835465

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 225, 267, 445, 801, 911, 1335, 2225, 2733, 4005, 4555, 6675, 8199, 13665, 20025, 22775, 40995, 68325, 81079, 204975, 243237, 405395, 729711, 1216185, 2026975, 3648555, 6080925, 18242775]

約数ペア:

[(1, 18242775), (3, 6080925), (5, 3648555), (9, 2026975), (15, 1216185), (25, 729711), (45, 405395), (75, 243237), (89, 204975), (225, 81079), (267, 68325), (445, 40995), (801, 22775), (911, 20025), (1335, 13665), (2225, 8199), (2733, 6675), (4005, 4555)]