217873725

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{929}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 373636800

約数和(自身を除く): 155763075

約数列:

[1, 3, 5, 15, 25, 53, 59, 75, 159, 177, 265, 295, 795, 885, 929, 1325, 1475, 2787, 3127, 3975, 4425, 4645, 9381, 13935, 15635, 23225, 46905, 49237, 54811, 69675, 78175, 147711, 164433, 234525, 246185, 274055, 738555, 822165, 1230925, 1370275, 2904983, 3692775, 4110825, 8714949, 14524915, 43574745, 72624575, 217873725]

約数ペア:

[(1, 217873725), (3, 72624575), (5, 43574745), (15, 14524915), (25, 8714949), (53, 4110825), (59, 3692775), (75, 2904983), (159, 1370275), (177, 1230925), (265, 822165), (295, 738555), (795, 274055), (885, 246185), (929, 234525), (1325, 164433), (1475, 147711), (2787, 78175), (3127, 69675), (3975, 54811), (4425, 49237), (4645, 46905), (9381, 23225), (13935, 15635)]