1212975

素因数分解:

$3^4\times 5^2\times {\mathrm{599}}^1$

素因数の和:621

約数の個数: 30

約数和(自身を含む): 2250600

約数和(自身を除く): 1037625

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 599, 675, 1797, 2025, 2995, 5391, 8985, 14975, 16173, 26955, 44925, 48519, 80865, 134775, 242595, 404325, 1212975]

約数ペア:

[(1, 1212975), (3, 404325), (5, 242595), (9, 134775), (15, 80865), (25, 48519), (27, 44925), (45, 26955), (75, 16173), (81, 14975), (135, 8985), (225, 5391), (405, 2995), (599, 2025), (675, 1797)]