201914775

素因数分解:

$3^8\times 5^2\times {\mathrm{1231}}^1$

素因数の和:1265

約数の個数: 54

約数和(自身を含む): 375847472

約数和(自身を除く): 173932697

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 1231, 2025, 2187, 3645, 3693, 6075, 6155, 6561, 10935, 11079, 18225, 18465, 30775, 32805, 33237, 54675, 55395, 92325, 99711, 164025, 166185, 276975, 299133, 498555, 830925, 897399, 1495665, 2492775, 2692197, 4486995, 7478325, 8076591, 13460985, 22434975, 40382955, 67304925, 201914775]

約数ペア:

[(1, 201914775), (3, 67304925), (5, 40382955), (9, 22434975), (15, 13460985), (25, 8076591), (27, 7478325), (45, 4486995), (75, 2692197), (81, 2492775), (135, 1495665), (225, 897399), (243, 830925), (405, 498555), (675, 299133), (729, 276975), (1215, 166185), (1231, 164025), (2025, 99711), (2187, 92325), (3645, 55395), (3693, 54675), (6075, 33237), (6155, 32805), (6561, 30775), (10935, 18465), (11079, 18225)]