About the Number

121971507

121971506 ← → 121971508

2進数表記:111010001010010001100110011

漢数字表記:一億二千百九十七万千五百七

素因数分解:

3 1 × 7 1 × 19 1 × 23 1 × 13291 1

素因数の和:13343
約数の個数: 32
約数和(自身を含む): 204165120
約数和(自身を除く): 82193613

約数列:
[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 3059, 9177, 13291, 39873, 93037, 252529, 279111, 305693, 757587, 917079, 1767703, 2139851, 5303109, 5808167, 6419553, 17424501, 40657169, 121971507]

約数ペア:
[(1, 121971507), (3, 40657169), (7, 17424501), (19, 6419553), (21, 5808167), (23, 5303109), (57, 2139851), (69, 1767703), (133, 917079), (161, 757587), (399, 305693), (437, 279111), (483, 252529), (1311, 93037), (3059, 39873), (9177, 13291)]

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