31179978

素因数分解:

$2^1\times 3^4\times {\mathrm{197}}^1\times {\mathrm{977}}^1$

素因数の和:1188

約数の個数: 40

約数和(自身を含む): 70292772

約数和(自身を除く): 39112794

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 197, 394, 591, 977, 1182, 1773, 1954, 2931, 3546, 5319, 5862, 8793, 10638, 15957, 17586, 26379, 31914, 52758, 79137, 158274, 192469, 384938, 577407, 1154814, 1732221, 3464442, 5196663, 10393326, 15589989, 31179978]

約数ペア:

[(1, 31179978), (2, 15589989), (3, 10393326), (6, 5196663), (9, 3464442), (18, 1732221), (27, 1154814), (54, 577407), (81, 384938), (162, 192469), (197, 158274), (394, 79137), (591, 52758), (977, 31914), (1182, 26379), (1773, 17586), (1954, 15957), (2931, 10638), (3546, 8793), (5319, 5862)]