78450225

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{21347}}^1$

素因数の和:21374

約数の個数: 36

約数和(自身を含む): 150887664

約数和(自身を除く): 72437439

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 21347, 64041, 106735, 149429, 320205, 448287, 533675, 747145, 1046003, 1601025, 2241435, 3138009, 3735725, 5230015, 11207175, 15690045, 26150075, 78450225]

約数ペア:

[(1, 78450225), (3, 26150075), (5, 15690045), (7, 11207175), (15, 5230015), (21, 3735725), (25, 3138009), (35, 2241435), (49, 1601025), (75, 1046003), (105, 747145), (147, 533675), (175, 448287), (245, 320205), (525, 149429), (735, 106735), (1225, 64041), (3675, 21347)]