28159425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{941}}^1$

素因数の和:983

約数の個数: 72

約数和(自身を含む): 60740160

約数和(自身を除く): 32580735

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 133, 171, 175, 225, 285, 315, 399, 475, 525, 665, 855, 941, 1197, 1425, 1575, 1995, 2823, 3325, 4275, 4705, 5985, 6587, 8469, 9975, 14115, 17879, 19761, 23525, 29925, 32935, 42345, 53637, 59283, 70575, 89395, 98805, 125153, 160911, 164675, 211725, 268185, 296415, 375459, 446975, 494025, 625765, 804555, 1126377, 1340925, 1482075, 1877295, 3128825, 4022775, 5631885, 9386475, 28159425]

約数ペア:

[(1, 28159425), (3, 9386475), (5, 5631885), (7, 4022775), (9, 3128825), (15, 1877295), (19, 1482075), (21, 1340925), (25, 1126377), (35, 804555), (45, 625765), (57, 494025), (63, 446975), (75, 375459), (95, 296415), (105, 268185), (133, 211725), (171, 164675), (175, 160911), (225, 125153), (285, 98805), (315, 89395), (399, 70575), (475, 59283), (525, 53637), (665, 42345), (855, 32935), (941, 29925), (1197, 23525), (1425, 19761), (1575, 17879), (1995, 14115), (2823, 9975), (3325, 8469), (4275, 6587), (4705, 5985)]