228887775

素因数分解:

$3^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:708

約数の個数: 84

約数和(自身を含む): 448610920

約数和(自身を除く): 219723145

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 243, 285, 405, 475, 513, 661, 675, 729, 855, 1215, 1425, 1539, 1983, 2025, 2565, 3305, 3645, 4275, 4617, 5949, 6075, 7695, 9915, 12559, 12825, 13851, 16525, 17847, 18225, 23085, 29745, 37677, 38475, 49575, 53541, 62795, 69255, 89235, 113031, 115425, 148725, 160623, 188385, 267705, 313975, 339093, 346275, 446175, 481869, 565155, 803115, 941925, 1017279, 1338525, 1695465, 2409345, 2825775, 3051837, 4015575, 5086395, 8477325, 9155511, 12046725, 15259185, 25431975, 45777555, 76295925, 228887775]

約数ペア:

[(1, 228887775), (3, 76295925), (5, 45777555), (9, 25431975), (15, 15259185), (19, 12046725), (25, 9155511), (27, 8477325), (45, 5086395), (57, 4015575), (75, 3051837), (81, 2825775), (95, 2409345), (135, 1695465), (171, 1338525), (225, 1017279), (243, 941925), (285, 803115), (405, 565155), (475, 481869), (513, 446175), (661, 346275), (675, 339093), (729, 313975), (855, 267705), (1215, 188385), (1425, 160623), (1539, 148725), (1983, 115425), (2025, 113031), (2565, 89235), (3305, 69255), (3645, 62795), (4275, 53541), (4617, 49575), (5949, 38475), (6075, 37677), (7695, 29745), (9915, 23085), (12559, 18225), (12825, 17847), (13851, 16525)]