2171209395

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 3662475264

約数和(自身を除く): 1491265869

約数列:

[1, 3, 5, 15, 37, 53, 111, 159, 185, 223, 265, 331, 555, 669, 795, 993, 1115, 1655, 1961, 3345, 4965, 5883, 8251, 9805, 11819, 12247, 17543, 24753, 29415, 35457, 36741, 41255, 52629, 59095, 61235, 73813, 87715, 123765, 177285, 183705, 221439, 263145, 369065, 437303, 649091, 1107195, 1311909, 1947273, 2186515, 2731081, 3245455, 3912089, 6559545, 8193243, 9736365, 11736267, 13655405, 19560445, 40966215, 58681335, 144747293, 434241879, 723736465, 2171209395]

約数ペア:

[(1, 2171209395), (3, 723736465), (5, 434241879), (15, 144747293), (37, 58681335), (53, 40966215), (111, 19560445), (159, 13655405), (185, 11736267), (223, 9736365), (265, 8193243), (331, 6559545), (555, 3912089), (669, 3245455), (795, 2731081), (993, 2186515), (1115, 1947273), (1655, 1311909), (1961, 1107195), (3345, 649091), (4965, 437303), (5883, 369065), (8251, 263145), (9805, 221439), (11819, 183705), (12247, 177285), (17543, 123765), (24753, 87715), (29415, 73813), (35457, 61235), (36741, 59095), (41255, 52629)]