42520215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3331}}^1$

素因数の和:3399

約数の個数: 32

約数和(自身を含む): 72930816

約数和(自身を除く): 30410601

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 3331, 4255, 9993, 12765, 16655, 49965, 76613, 123247, 229839, 369741, 383065, 616235, 1149195, 1848705, 2834681, 8504043, 14173405, 42520215]

約数ペア:

[(1, 42520215), (3, 14173405), (5, 8504043), (15, 2834681), (23, 1848705), (37, 1149195), (69, 616235), (111, 383065), (115, 369741), (185, 229839), (345, 123247), (555, 76613), (851, 49965), (2553, 16655), (3331, 12765), (4255, 9993)]